[ECOS] [ecos] synchronization level of cyg_drv_cond_broadcast
Jonathan Larmour
jlarmour@redhat.com
Tue Oct 30 05:18:00 GMT 2001
Schmidt Henning Larsen wrote:
>
> Hi
>
> Why is the syncronization level of cyg_drv_cond_broadcast: DSR.
> I meen it's a nonblocking call !?
You mean you expect to use it in an ISR too? The answer is no as it might
corrupt kernel structures that are only protected by a DSR lock, not by
disabling interrupts. This is entirely intentional.
Jifl
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